| /* Copyright (C) 2012-2024 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #include "command.h" |
| #include "cli/cli-cmds.h" |
| #include "target.h" |
| #include "gdbsupport/agent.h" |
| #include "observable.h" |
| #include "objfiles.h" |
| |
| /* Enum strings for "set|show agent". */ |
| |
| static const char can_use_agent_on[] = "on"; |
| static const char can_use_agent_off[] = "off"; |
| static const char * const can_use_agent_enum[] = |
| { |
| can_use_agent_on, |
| can_use_agent_off, |
| NULL, |
| }; |
| |
| static const char *can_use_agent = can_use_agent_off; |
| |
| static void |
| show_can_use_agent (struct ui_file *file, int from_tty, |
| struct cmd_list_element *c, const char *value) |
| { |
| gdb_printf (file, |
| _("Debugger's willingness to use agent in inferior " |
| "as a helper is %s.\n"), value); |
| } |
| |
| static void |
| set_can_use_agent (const char *args, int from_tty, struct cmd_list_element *c) |
| { |
| bool can_use = (can_use_agent == can_use_agent_on); |
| if (can_use && !agent_loaded_p ()) |
| { |
| /* Since the setting was off, we may not have observed the objfiles and |
| therefore not looked up the required symbols. Do so now. */ |
| for (objfile *objfile : current_program_space->objfiles ()) |
| if (agent_look_up_symbols (objfile) == 0) |
| break; |
| } |
| if (target_use_agent (can_use) == 0) |
| /* Something wrong during setting, set flag to default value. */ |
| can_use_agent = can_use_agent_off; |
| } |
| |
| static void |
| agent_new_objfile (struct objfile *objfile) |
| { |
| if (agent_loaded_p ()) |
| return; |
| |
| if (can_use_agent == can_use_agent_off) |
| return; |
| |
| agent_look_up_symbols (objfile); |
| } |
| |
| void _initialize_agent (); |
| void |
| _initialize_agent () |
| { |
| gdb::observers::new_objfile.attach (agent_new_objfile, |
| "agent"); |
| |
| add_setshow_enum_cmd ("agent", class_run, |
| can_use_agent_enum, |
| &can_use_agent, _("\ |
| Set debugger's willingness to use agent as a helper."), _("\ |
| Show debugger's willingness to use agent as a helper."), _("\ |
| If on, GDB will delegate some of the debugging operations to the\n\ |
| agent, if the target supports it. This will speed up those\n\ |
| operations that are supported by the agent.\n\ |
| If off, GDB will not use agent, even if such is supported by the\n\ |
| target."), |
| set_can_use_agent, |
| show_can_use_agent, |
| &setlist, &showlist); |
| } |